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Radial velocity · 2008

14 And b

This world receives 115× the starlight Earth does; a year lasts 187 days; the light you see left it 246 years ago.

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Size
1.2 × Jupiterestimated
A year
187 days0.775 AU
Temperature
637 °C910 K

About this world

14 And b is a gas giant orbiting 14 And, a giant star (type K0III) 246 light-years from Earth. It is about 1.2 times the size of Jupiter (its size estimated from its mass), with at least 3.6 Jupiter masses (a minimum, measured by radial velocity). It completes an orbit every 187 days at 0.78 AU from its star.

Its equilibrium temperature is about 910 K (637 °C): far too hot for liquid water on its surface. At its size it almost certainly keeps a deep envelope of hydrogen and helium.

It was discovered in 2008 by radial velocity with Okayama Astrophysical Observatory. The star wobbles toward and away from us, Doppler-shifting its spectrum.

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